Single crystal synthetic diamond material via chemical vapour deposition
US-2025389049-A1 · Dec 25, 2025 · US
from liquids
from liquids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C30B28/04 |
| Official title | from liquids |
| Display label | from liquids |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrocatalyst for efficient nitrite reduction
US-2025257486-A1 · Aug 14, 2025 · US
Semiconductor phosphide injection synthesis system and control method
US-12383879-B2 · Aug 12, 2025 · US
Anisotropic light-emitting colloidal kagome superlattices
US-2025163099-A1 · May 22, 2025 · US
Method of preparing iridium nanocrystal
US-2025058379-A1 · Feb 20, 2025 · US
Recovery method of valuable metal in positive electrode sheet of lithium battery
US-2025007025-A1 · Jan 2, 2025 · US
Method for producing metallic aluminum and polysilicon with high-silicon aluminum-containing resource
US-2024247391-A1 · Jul 25, 2024 · US
Textured metal substrates for negative electrodes of lithium metal batteries and methods of making the same
US-12040479-B2 · Jul 16, 2024 · US
Ag-coated material, method for producing ag-coated material, and terminal component
US-2024018680-A1 · Jan 18, 2024 · US
Sputtering target
US-2024002997-A1 · Jan 4, 2024 · US
Silver-plated member, method for producing the same, and terminal component
US-2023142395-A1 · May 11, 2023 · US
Semiconductor Phosphide Injection Synthesis System and Control Method
US-2023049408-A1 · Feb 16, 2023 · US
Textured metal substrates for negative electrodes of lithium metal batteries and methods of making the same
US-2022416220-A1 · Dec 29, 2022 · US
Method for making diamond layers by CVD
US-11384426-B2 · Jul 12, 2022 · US
Wavelength conversion member, light source, illumination device, and method for manufacturing wavelength conversion member
US-11130909-B2 · Sep 28, 2021 · US
Single crystal synthetic diamond material via chemical vapour deposition
US-2021108333-A1 · Apr 15, 2021 · US
Wavelength conversion member, light source, illumination device, and method for manufacturing wavelength conversion member
US-2021102117-A1 · Apr 8, 2021 · US
Group 13 element nitride layer, free-standing substrate, functional element, and method of producing group 13 element nitride layer
US-2021013366-A1 · Jan 14, 2021 · US
Method of manufacturing semiconductor material from mayenite
US-10766784-B2 · Sep 8, 2020 · US
Polycrystalline gallium nitride self-supported substrate and light emitting element using same
US-10707373-B2 · Jul 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C30B28/04?
- CPC C30B28/04 is the Cooperative Patent Classification code for “from liquids.”
- How many patents are filed under CPC C30B28/04 (from liquids)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC C30B28/04 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).